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Makefile经典教程（入门必备） - C/C++ - 清泛网移动版 - 专注C/C++及内核技术
...归定义，这是很不好的，所以make会自动为我们解决这个问题，我们不必担心这个问题。
五、override 指示符
如果有变量是通常make的命令行参数设置的，那么Makefile中对这个变量的赋值会被忽略。如果你想在Makefile中设置这类...
Reset PHP Array Index
I have a PHP array that looks like this:
3 Answers
3
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PHP Replace last occurrence of a String in a String?
...e position of the first occurrence of a substring in a string - edit: wow. Php geniuses really made a function called strpos and strrpos ? Thanks....
– BarryBones41
Oct 5 '15 at 21:22
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Have nginx access_log and error_log log to STDOUT and STDERR of master process
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In docker image of PHP-FPM, i've see such approach:
# cat /usr/local/etc/php-fpm.d/docker.conf
[global]
error_log = /proc/self/fd/2
[www]
; if we send this to /proc/self/fd/1, it never appears
access.log = /proc/self/fd/2
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剖析程序的内存布局 - C/C++ - 清泛网 - 专注C/C++及内核技术
...理非常重要。今后的几篇文章中，我将着眼于实际的内存问题，但也不避讳其中的技术内幕。由于不少概念是通用的，所以文中大部分例子取自32位x86平台的Linux和Windows系统。本系列第一篇文章讲述应用程序的内存布局。
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“Cannot send session cache limiter - headers already sent” [duplicate]
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"Headers already sent" means that your PHP script already sent the HTTP headers, and as such it can't make modifications to them now.
Check that you don't send ANY content before calling session_start. Better yet, just make session_start the first thing you do in...
PHP string “contains” [duplicate]
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Grabbing the href attribute of an A element
...t;getElementsByTagName('a') as $node) {
echo $dom->saveHtml($node), PHP_EOL;
}
The above would find and output the "outerHTML" of all A elements in the $html string.
To get all the text values of the node, you do
echo $node->nodeValue;
To check if the href attribute exists you can ...
PHP shell_exec() vs exec()
...ide all output as an array specifed as the second parameter.
See
http://php.net/manual/en/function.shell-exec.php
http://php.net/manual/en/function.exec.php
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PHP Error handling: die() Vs trigger_error() Vs throw Exception
In regards to Error handling in PHP -- As far I know there are 3 styles:
2 Answers
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